/*
* Java port of Bullet (c) 2008 Martin Dvorak <jezek2@advel.cz>
*
* Bullet Continuous Collision Detection and Physics Library
* Copyright (c) 2003-2008 Erwin Coumans http://www.bulletphysics.com/
*
* This software is provided 'as-is', without any express or implied warranty.
* In no event will the authors be held liable for any damages arising from
* the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*/
package com.bulletphysics.collision.dispatch;
import com.bulletphysics.collision.broadphase.BroadphaseProxy;
import com.bulletphysics.collision.broadphase.Dispatcher;
import com.bulletphysics.collision.broadphase.HashedOverlappingPairCache;
/**
*
* @author tomrbryn
*/
public class PairCachingGhostObject extends GhostObject {
HashedOverlappingPairCache hashPairCache = new HashedOverlappingPairCache();
/**
* This method is mainly for expert/internal use only.
*/
@Override
public void addOverlappingObjectInternal(BroadphaseProxy otherProxy, BroadphaseProxy thisProxy) {
BroadphaseProxy actualThisProxy = thisProxy != null? thisProxy : getBroadphaseHandle();
assert(actualThisProxy != null);
CollisionObject otherObject = (CollisionObject) otherProxy.clientObject;
assert (otherObject != null);
// if this linearSearch becomes too slow (too many overlapping objects) we should add a more appropriate data structure
int index = overlappingObjects.indexOf(otherObject);
if (index == -1) {
overlappingObjects.add(otherObject);
hashPairCache.addOverlappingPair(actualThisProxy, otherProxy);
}
}
@Override
public void removeOverlappingObjectInternal(BroadphaseProxy otherProxy, Dispatcher dispatcher, BroadphaseProxy thisProxy1) {
CollisionObject otherObject = (CollisionObject)otherProxy.clientObject;
BroadphaseProxy actualThisProxy = thisProxy1 != null? thisProxy1 : getBroadphaseHandle();
assert(actualThisProxy != null);
assert (otherObject != null);
int index = overlappingObjects.indexOf(otherObject);
if (index != -1) {
overlappingObjects.setQuick(index, overlappingObjects.getQuick(overlappingObjects.size()-1));
overlappingObjects.removeQuick(overlappingObjects.size()-1);
hashPairCache.removeOverlappingPair(actualThisProxy, otherProxy, dispatcher);
}
}
public HashedOverlappingPairCache getOverlappingPairCache() {
return hashPairCache;
}
}